<html>
<head>
<title>pcre_config specification</title>
</head>
<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
This HTML document has been generated automatically from the original man page.
If there is any nonsense in it, please consult the man page, in case the
conversion went wrong.<br>
<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include &#60;pcre.h&#62;</b>
</P>
<P>
<b>int pcre_config(int <i>what</i>, void *<i>where</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This function makes it possible for a client program to find out which optional
features are available in the version of the PCRE library it is using. Its
arguments are as follows:
</P>
<P>
<pre>
  <i>what</i>     A code specifying what information is required
  <i>where</i>    Points to where to put the data
</PRE>
</P>
<P>
The available codes are:
</P>
<P>
<pre>
  PCRE_CONFIG_LINK_SIZE    Internal link size: 2, 3, or 4
  PCRE_CONFIG_MATCH_LIMIT  Internal resource limit
  PCRE_CONFIG_NEWLINE      Value of the newline character
  PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
                           Threshold of return slots, above
                             which <b>malloc()</b> is used by
                             the POSIX API
  PCRE_CONFIG_UTF8         Availability of UTF-8 support
</PRE>
</P>
<P>
The function yields 0 on success or PCRE_ERROR_BADOPTION otherwise.
</P>
<P>
There is a complete description of the PCRE native API in the
<a href="pcreapi.html"><b>pcreapi</b></a>
page, and a description of the POSIX API in the
<a href="pcreposix.html"><b>pcreposix</b></a>
page.
